Maduka Metals, a top-notch manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality Stainless Steel 420 Flat Bars. These bars are designed for outstanding hardness, corrosion resistance, and durability. Crafted to meet international standards, they ensure reliable performance across various demanding sectors, including industrial, automotive, and engineering applications. Maduka Metals caters to a wide range of industries such as aerospace, tooling, manufacturing, and power generation, offering cutting-edge stainless steel solutions. With a focus on precision manufacturing and rigorous quality control, each Stainless Steel 420 Flat Bar boasts excellent mechanical properties, long-lasting reliability, and impressive resistance to wear and corrosion, making them perfect for high-precision, high-performance, and structural components.
The Stainless Steel 420 Flat Bars are primarily made from martensitic stainless steel, containing around 12–14% chromium, 0.15% carbon, along with trace amounts of manganese and silicon. This unique blend gives them remarkable hardness, wear resistance, and decent corrosion resistance after heat treatment. In terms of mechanical properties, 420 stainless steel showcases tensile strengths ranging from 600–850 MPa, yield strengths between 250–500 MPa, and hardness levels reaching up to 50 HRC, making it an excellent choice for applications that demand strength, precision, and moderate corrosion resistance in industrial and engineering settings.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 420 | 0.15 | 14.0 | 1.00 | – | 0.04 | 0.03 | 1.00 |
| Element | Tensile Strength | Yield Strength | Elongation | Hardness |
| SS 420 | 95,000 | 50,000 | 25 | 175 |
| Flat Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
Stainless Steel 420 Flat Bar is commonly used in applications requiring high strength, wear resistance, and moderate corrosion resistance. It is often found in the manufacturing of surgical instruments, valves, knives, bearings, shafts, and other precision machinery components.
Stainless Steel 420 typically has a hardness range of 50-55 HRC (Rockwell Hardness). When heat-treated, it can achieve higher hardness levels, making it suitable for applications requiring wear resistance, such as cutlery, tools, and industrial components.
Yes, Stainless Steel 420 Flat Bar can be heat treated to improve strength. Through processes like annealing, hardening, and tempering, its hardness, wear resistance, and overall strength can be enhanced, making it ideal for demanding applications like cutting tools.
These Stainless Steel 420 Flat Bars find extensive use in industries that require hard, corrosion-resistant, and durable materials. In the tooling and manufacturing sectors, they are commonly used for knives, cutting tools, and precision instruments. The automotive and aerospace industries utilize 420 flat bars for components like shafts, gears, fasteners, and other high-stress parts. In industrial machinery, they serve as wear-resistant components and structural elements that face moderate corrosion. Furthermore, Stainless Steel 420 Flat Bars are also well-suited for medical instruments, industrial equipment, and engineering applications where hardness, corrosion resistance, and mechanical reliability are crucial for long-term performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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